-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
33fad3f
commit 617a8d7
Showing
1 changed file
with
208 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,208 @@ | ||
| library(dplyr) | ||
| library(car) | ||
| library(MASS) | ||
| library(readr) | ||
| library(pscl) | ||
| library(ggplot2) | ||
| library(jtools) | ||
| library(interplot) | ||
| library(stargazer) | ||
| library(Stack) | ||
| source("helpers.r") | ||
| library(texreg) | ||
| library(xtable) | ||
|
|
||
| projects.active = read_csv("projects_active.csv") | ||
|
|
||
| projects.active$newcomers_delta = projects.active$newcomers - projects.active$new_newcomers | ||
| projects.active$has_oldnew_contributors = projects.active$newcomers_delta > 0 | ||
| projects.active$has_new_contributors = projects.active$newcomers > 0 | ||
| projects.active$num_new_contributors = projects.active$newcomers | ||
| projects.active$has_newnew_contributors = projects.active$new_newcomers > 0 | ||
| projects.active$num_newnew_contributors = projects.active$new_newcomers | ||
|
|
||
| projects.active$has_contrib = projects.active$contrib_bytes > 100 | ||
| projects.active$log_people_pr = log(projects.active$people_pr) | ||
| projects.active$has_template = projects.active$issue_template | projects.active$pr_template | ||
| projects.active$has_url = projects.active$url | ||
| projects.active$external_commits = projects.active$year_commits - projects.active$core_commits | ||
| projects.active$external_commit_ratio = projects.active$external_commits / projects.active$year_commits | ||
| projects.active$had_external_committers = projects.active$external_commit_ratio > 0 | ||
| summary(projects.active$num_labels) | ||
| projects.active$has_labels = projects.active$num_labels >= 5 | ||
| nrow(projects.active) | ||
| summary(projects.active$pol_50) | ||
| projects.active$is_impolite = projects.active$pol_50 < as.numeric(quantile(projects.active$pol_50, na.rm=TRUE)[2]) | ||
| projects.active$is_polite = projects.active$pol_50 > as.numeric(quantile(projects.active$pol_50, na.rm=TRUE)[4]) | ||
| summary(projects.active$resp_50) | ||
| projects.active$is_fast = projects.active$resp_50 < as.numeric(quantile(projects.active$resp_50, na.rm=TRUE)[2]) | ||
| projects.active$is_slow = projects.active$resp_50 > as.numeric(quantile(projects.active$resp_50, na.rm=TRUE)[4]) | ||
|
|
||
|
|
||
| projects.active$not_slow = projects.active$resp_50 < as.numeric(quantile(projects.active$resp_50, na.rm=TRUE)[4]) | ||
| projects.active$resp_days = projects.active$resp_50 / 24.0 | ||
| summary(projects.active$resp_days) | ||
| projects.active$is_days_fast = projects.active$resp_days < as.numeric(quantile(projects.active$resp_days, na.rm=TRUE)[2]) | ||
| projects.active$is_days_slow = projects.active$resp_days > as.numeric(quantile(projects.active$resp_days, na.rm=TRUE)[4]) | ||
| projects.active$log_stars = log(projects.active$stars+1) | ||
| projects.active$log_age = log(projects.active$age) | ||
| projects.active$log_recent_commits = log(projects.active$recent_commits) | ||
| projects.active$log_num_headers = log(projects.active$num_headers_3) | ||
| projects.active$year_external_contributors = log(projects.active$year_contributors - projects.active$year_main_contributors + 1) | ||
|
|
||
| table(projects.active$readme_bytes == 0) | ||
| table(projects.active$issues > 10000) | ||
| table(projects.active$num_headers_3 == 0) | ||
| table(projects.active$num_headers_3 > 100) | ||
| table(projects.active$pol_50 == 0) | ||
| table(is.na(projects.active$pol_50)) | ||
| table(projects.active$num_labels > 500) | ||
| table(projects.active$resp_50 < 1) | ||
| table(projects.active$recent_commits > 4000) | ||
| table(projects.active$lines_changed > 2000) | ||
| table(is.na(projects.active$lines_changed)) | ||
| table(projects.active$year_main_contributors == 0) | ||
| table(projects.active$newcomers_delta < 0) | ||
| summary(projects.active$year_external_contributors) | ||
|
|
||
| ds = subset(projects.active, | ||
| num_headers_3 > 0 | ||
| & readme_bytes > 0 | ||
| & pol_50 > 0 | ||
| & !is.na(pol_50) | ||
| & resp_50 >= 1 | ||
| & !is.na(resp_50) | ||
| & !is.na(lines_changed) | ||
| & year_main_contributors > 0 | ||
| & recent_authors <= 90 | ||
| & newcomers_delta >= 0) | ||
|
|
||
| nrow(projects.active) | ||
| nrow(ds) | ||
|
|
||
| print_tex("tbl_data.tex", | ||
| stargazer(ds, | ||
| omit.summary.stat="n", | ||
| median=TRUE, | ||
| align=TRUE, | ||
| digits=2, | ||
| column.sep.width="0pt")) | ||
|
|
||
| table(ds$has_newnew_contributors) | ||
|
|
||
| m_new = glm(has_newnew_contributors ~ | ||
| had_external_committers | ||
| + log_age | ||
| + log(issues + 1) | ||
| + has_url | ||
| + log_num_headers | ||
| + has_contact | ||
| + has_contrib | ||
| + has_badges | ||
| + has_labels | ||
| + has_template | ||
| + log_recent_commits | ||
| + is_fast | ||
| + log_stars | ||
| + is_impolite | ||
| + log_recent_commits * has_contrib | ||
| + log_recent_commits * has_badges | ||
| + log_recent_commits * has_url | ||
| , family = "binomial" | ||
| , data = ds) | ||
|
|
||
| summary(m_new) | ||
|
|
||
| vif(m_new) | ||
| pR2(m_new) | ||
| anova(m_new) | ||
|
|
||
| interplot(m_new, "has_badgesTRUE", "log_recent_commits") + | ||
| xlab("Num recent commits (log)") + | ||
| ylab("Estimated coefficient for\nHas badges") + | ||
| # Change the background | ||
| theme_bw() + | ||
| # Add the title | ||
| #ggtitle("Estimated Coefficient of Engine Cylinders \non Mileage by Automobile Weight") + | ||
| # theme(plot.title = element_text(face="bold")) + | ||
| # Add a horizontal line at y = 0 | ||
| geom_hline(yintercept = 0, linetype = "dashed") | ||
|
|
||
| interplot(m_new, "has_urlTRUE", "log_recent_commits") | ||
| interplot(m_new, "has_contribTRUE", "log_recent_commits") | ||
| # interplot(m_new, "has_templateTRUE", "log_recent_commits") | ||
|
|
||
| m_all = glm(has_new_contributors ~ | ||
| had_external_committers | ||
| + log_age | ||
| + log(issues + 1) | ||
| + has_url | ||
| + log_num_headers | ||
| + has_contact | ||
| + has_contrib | ||
| + has_badges | ||
| + has_labels | ||
| + has_template | ||
| + log_recent_commits | ||
| + is_fast | ||
| + log_stars | ||
| + is_impolite | ||
| + log_recent_commits * has_contrib | ||
| + log_recent_commits * has_badges | ||
| + log_recent_commits * has_url | ||
| , family = "binomial" | ||
| , data = ds) | ||
|
|
||
| interplot(m_all, "has_badgesTRUE", "log_recent_commits") | ||
|
|
||
| interplot(m_all, "has_urlTRUE", "log_recent_commits") + | ||
| xlab("Num recent commits (log)") + | ||
| ylab("Estimated coefficient for\nHas website") + | ||
| # Change the background | ||
| theme_bw() + | ||
| # Add the title | ||
| #ggtitle("Estimated Coefficient of Engine Cylinders \non Mileage by Automobile Weight") + | ||
| # theme(plot.title = element_text(face="bold")) + | ||
| # Add a horizontal line at y = 0 | ||
| geom_hline(yintercept = 0, linetype = "dashed") | ||
|
|
||
| interplot(m_all, "has_contribTRUE", "log_recent_commits") + | ||
| xlab("Num recent commits (log)") + | ||
| ylab("Estimated coefficient for\nHas contrib") + | ||
| # Change the background | ||
| theme_bw() + | ||
| # Add the title | ||
| #ggtitle("Estimated Coefficient of Engine Cylinders \non Mileage by Automobile Weight") + | ||
| # theme(plot.title = element_text(face="bold")) + | ||
| # Add a horizontal line at y = 0 | ||
| geom_hline(yintercept = 0, linetype = "dashed") | ||
|
|
||
| v = as.data.frame(vif(m_new)) | ||
| v$new = as.data.frame(vif(m_all))[,1] | ||
| names(v) = c("all", "new") | ||
| names(v) | ||
| v | ||
| xtable(v) | ||
|
|
||
| mcor <- round(cor(ds[,c("had_external_committers", "log_age", "issues", | ||
| "has_url", "log_num_headers", "has_contact", | ||
| "has_contrib", "has_badges", "has_labels", | ||
| "has_template", "log_recent_commits", "is_fast", | ||
| "log_stars", "is_impolite")]), 2) | ||
| upper <- mcor | ||
| upper[upper.tri(mcor)] <- "" | ||
| upper <- as.data.frame(upper) | ||
| xtable(upper) | ||
|
|
||
| stargazer(m_all, m_new, title="Signals that help bring in new contributors", font.size="small", single.row=TRUE) | ||
|
|
||
|
|
||
| file="tex_model_all.csv" | ||
| modelNames=c("has new contributors", "has first-time GitHub contributors") | ||
| caption="Signals that help bring in new contributors" | ||
|
|
||
| mList = list(m1=m_all, m2=m_new) | ||
| makeTexRegCox(mList, file, modelNames, caption, digits=2) | ||
|
|
||
| print_Anova_glm(m_all, "anova_model_1.csv") | ||
| print_Anova_glm(m_new, "anova_model_2.csv") |